Home / 14,657,326.40-21,979,768.80-7,086,612.80

Finding the Fourth Proportional to 14,657,326.40, 21,979,768.80 and 7,086,612.80

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Solution

The fourth proportional to 14,657,326.40, 21,979,768.80 and 7,086,612.80 is: 10,626,911.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,657,326.40 : 21,979,768.80 = 7,086,612.80 : x
  2. Step 2: Convert to fraction form
    14,657,326.40/21,979,768.80 = 7,086,612.80/x
  3. Step 3: Cross multiply
    14,657,326.40x = 21,979,768.80 × 7,086,612.80
  4. Step 4: Simplify right side
    14,657,326.40x = 155,762,110,919,120.66
  5. Step 5: Solve for x
    x = 155,762,110,919,120.66/14,657,326.40
  6. Step 6: Final answer
    x = 10,626,911.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.